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x/ramda/none.js

:ram: Practical functional Javascript
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import _complement from './internal/_complement';import _curry2 from './internal/_curry2';import _dispatchable from './internal/_dispatchable';import _xany from './internal/_xany';import any from './any';

/** * Returns `true` if no elements of the list match the predicate, `false` * otherwise. * * Dispatches to the `any` method of the second argument, if present. * * @func * @memberOf R * @since v0.12.0 * @category List * @sig (a -> Boolean) -> [a] -> Boolean * @param {Function} fn The predicate function. * @param {Array} list The array to consider. * @return {Boolean} `true` if the predicate is not satisfied by every element, `false` otherwise. * @see R.all, R.any * @example * * var isEven = n => n % 2 === 0; * var isOdd = n => n % 2 === 1; * * R.none(isEven, [1, 3, 5, 7, 9, 11]); //=> true * R.none(isOdd, [1, 3, 5, 7, 8, 11]); //=> false */var none = _curry2(_complement(_dispatchable(['any'], _xany, any)));export default none;